Kizspy | Question: 43
(Choose 1 answer)
Mr. Hiên sends out 300 mail surveys to a representative group of respondents. Of these, 175 fill out the survey
and mail it back to him. He realizes that those who responded were significantly more educated and had
higher incomes than the general population. This is an illustration of:
A. response error.
B. sampling error.
C. nonresponse error.
D. representation error.